JPH02142626A - Device for punching deformed hole - Google Patents
Device for punching deformed holeInfo
- Publication number
- JPH02142626A JPH02142626A JP29415588A JP29415588A JPH02142626A JP H02142626 A JPH02142626 A JP H02142626A JP 29415588 A JP29415588 A JP 29415588A JP 29415588 A JP29415588 A JP 29415588A JP H02142626 A JPH02142626 A JP H02142626A
- Authority
- JP
- Japan
- Prior art keywords
- punch
- punching
- positioning key
- holes
- irregularly shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims description 18
- 239000000463 material Substances 0.000 claims description 13
- 230000001788 irregular Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
発明の目的
〔産業上の利用分野〕
本発明は、２輪車のトランスミッションに使用されるス
ターターピニオン等の歯車素材として用いられる薄板状
鋼製素材に、複数の異形孔を打ち抜き成形する異形孔打
ち抜き装置に関する。DETAILED DESCRIPTION OF THE INVENTION Purpose of the Invention [Industrial Field of Application] The present invention is directed to a thin steel material used as a material for gears such as starter pinions used in transmissions of two-wheeled vehicles, which has a plurality of irregularly shaped holes. This invention relates to a device for punching out irregularly shaped holes.
スタータービニオン等の歯車素材には、第６図に示され
るように軽量化やドグクラッチ等を目的として、素材に
熱情円形や截頭扇形等の異形の打ち抜き孔２０が複数個
形成されている。このような異形孔の打ち抜きに関して
は、異形孔、を成形すべき位置に各々対応させたパンチ
ホルダー１０１の各パンチ保持孔１０６に、第７図に示
されるように先端パンチ部１１１の断面形状が穿孔すべ
き異形孔と同一形状に形成された打ち抜きパンチ１０２
を、該先端パンチ部１１１を一体的に突設させて装着し
た上型と、下型間でプレス剪断により素材に複数の打ち
抜き孔を形成する。As shown in FIG. 6, a gear material such as a starter pinion has a plurality of punched holes 20 of irregular shapes, such as a passion circle or a truncated fan shape, for the purpose of weight reduction, dog clutch, etc. Regarding the punching of such irregularly shaped holes, as shown in FIG. A punch 102 formed in the same shape as the irregularly shaped hole to be punched
A plurality of punched holes are formed in the material by press shearing between an upper mold and a lower mold, on which the tip punch portion 111 is integrally installed.
上記のような補遺においては、パンチホルダー１０１の
パンチ保持孔１０６に対し、打ち抜きパンチの杆部１１
２が相対回転すると、第１０図に示されるように異形孔
１２０′の打ち抜き位相ずれを起こし易い。そのため、
従来はパンチ保持孔ｌＯ６及び打ち抜きパンチの杆部１
１２を、第７図ＣＭ＞及び第８図、第９図に示されるよ
うに断面楕円形等の非円形状とし、パンチ保持孔１０６
への打ち抜きパンチ１０２装着後両者を相対回転不能に
固定させていた。In the above-mentioned supplement, the rod portion 11 of the punch is attached to the punch holding hole 106 of the punch holder 101.
2 are relatively rotated, the punching phase of the irregularly shaped hole 120' tends to shift as shown in FIG. Therefore,
Conventionally, the punch holding hole lO6 and the rod part 1 of the punch
12 is made into a non-circular shape such as an elliptical cross section as shown in FIG.
After the punch 102 was attached to the holder, the two were fixed so that they could not rotate relative to each other.
しかし、前述の如き断面非円形状のパンチ保持孔１１６
及びパンチ杆部１１２の加工は、円形孔及び円柱の加工
に比ベニ具の負担が大きいため、工具寿命が短かくなり
易いという加工性の悪さと共に製造コストも高くなると
いう問題点があった。However, the punch holding hole 116 having a non-circular cross section as described above
The machining of the punch rod portion 112 requires a heavy burden on the tool compared to machining circular holes and cylinders, so there are problems in that the tool life tends to be shortened, resulting in poor workability and high manufacturing costs.
発明の構成
〔課題を解決するための手段〕
から軸線方向へ延長ｇを持つ切欠を都を設けた灯チ抜キ
パンチをパンチホルダーのパンチ保持孔に装着し、打ち
抜きパンチ頭部の各切欠は部と係合する異形の位置決め
キーをパンチホルダーの上端面に設けた凹部に装着し、
位置決めキーを切欠は部と係合させて嵌着させる。Structure of the Invention [Means for Solving the Problem] A light punch punch having a notch extending in the axial direction from the center is attached to the punch holding hole of the punch holder, and each notch of the punch head is attached to the punch hole. Attach the irregularly shaped positioning key that engages with the recess provided on the upper end surface of the punch holder,
The positioning key is engaged with the notch and fitted.
以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.
第６図は、本発明による異形孔２０を有する導板状鋼製
素材の一例として、スターターピニオン等の歯車素材４
を示す。歯車素材４は、外周面上に歯面が形成される環
状歯面部２４と、軸孔を有するハブ部２３と、これら歯
面部２４及びハブ部２３間の環状凹陥部２１とを有し、
この凹陥部２１には、周方向に相互に間隔を置いて複数
個の異形孔２０が形成され、この異形孔２０により各県
を打ち抜いた直後の状態の異形孔打ち抜き装置の一実施
例を示す。該異形孔打ち抜き装置２５は、パンチホルダ
ー１により保持された複数の異形孔打ち抜きパンチ２を
一体的に突設させた上型２６と、打ち抜きパンチ２の先
端パンチ部１１よシ大径で該先端パンチ部１１が進退自
在に挿通する貫通孔３２を各々打ち抜きパンチ２に対応
させて設けた下型３１を有する。FIG. 6 shows a gear material 4 such as a starter pinion as an example of a conductive plate-like steel material having irregularly shaped holes 20 according to the present invention.
shows. The gear material 4 has an annular tooth surface portion 24 in which a tooth surface is formed on the outer peripheral surface, a hub portion 23 having a shaft hole, and an annular recessed portion 21 between the tooth surface portion 24 and the hub portion 23,
A plurality of irregularly shaped holes 20 are formed in this concave portion 21 at intervals from each other in the circumferential direction, and an embodiment of the irregularly shaped hole punching device is shown immediately after punching out each prefecture using the irregularly shaped holes 20. . The irregular-shaped hole punching device 25 includes an upper die 26 in which a plurality of irregular-shaped hole punches 2 held by a punch holder 1 are integrally protruded, and a punch portion 11 of the punches 2 having a diameter larger than that of the punch portion 11 of the punches 2 and a punch portion 11 of the punches 2. It has a lower mold 31 in which through holes 32 through which the punch portions 11 are inserted so as to be freely advanced and retractable are provided in correspondence with the punches 2, respectively.
打ち抜きパンチ２は第１図に示されるように、頭部１３
と杆部１２及び先端パンチ部１１とからなる。The punch 2 has a head 13 as shown in FIG.
It consists of a rod part 12 and a tip punch part 11.
該先端パンチ部１１の断面形状は、２−２線断面図（第
１図（ｉｆ））に示されるように、穿孔すべき異形孔２
０と熱間−形状であると共に、該頭部１３には、その側
周面１１＆の一部に、頭部１３の上端面ｔａｂから軸線
方向に延長ｌを有する切シ欠き部１６が各々設けられて
いる。The cross-sectional shape of the tip punch portion 11 is similar to the irregularly shaped hole 2 to be punched, as shown in the cross-sectional view taken along the line 2-2 (FIG. 1 (if)).
The head 13 has a notch 16 extending axially from the upper end surface tab of the head 13 in a part of the side peripheral surface 11&. It is being
パンチホルダー１は第８図及び第４図に示されるように
、保持すべき打ち抜きパンチ２の頭部１Ｂ及び杆部１２
の形状と熱間−に型彫りされた複数のパンチ保持孔６を
有すると共に、前記打ち抜きパンチ２を該頭部１３間で
固定する異形の位置決めキー３と熱間−形状の四部８が
、パンチホルダーｌ上端面９において各打ち抜きパンチ
の描く中央部の間隙に設けられている。As shown in FIGS. 8 and 4, the punch holder 1 holds the head 1B and rod portion 12 of the punch 2 to be held.
The punch has a plurality of punch holding holes 6 carved in a shape and a hot shape, and a positioning key 3 of an irregular shape for fixing the punch 2 between the heads 13 and four parts 8 in a hot shape. It is provided in the gap between the center portions of each punch on the upper end surface 9 of the holder l.
位置決めキー３は、パンチホルダー１において打ち抜き
パンチ２の頭部１３の各切シ欠は部１６の端面と密に接
触することを目的として、例えば第２図に示されるよう
な軸線方向長さｌが、切欠は部１６の延長ｌと等しい断
面多角形状等の部材である。The positioning key 3 has an axial length l, for example, as shown in FIG. However, the notch is a member having a polygonal cross section equal to the extension l of the portion 16.
さて、パンチホルダーｌにおける打ち抜きパンチ２の位
置決めに関しては、複数の打ち抜きパンチ２をパンチホ
ルダー１の各パンチ孔６に装着した後で、各打ち抜きパ
ンチ２の頭部１３の描く間隙に設けられた四部８に、前
記異形の位置決めキー８を打ち抜きパンチ２頭部１３の
各切欠は部１６と係合するように嵌着させる。このよう
に、打ち抜きパンチ２の切欠は部１６と位置決めキー３
力嵌合するため、パンチホルダー１のパンチ保持孔５に
対し、打ち抜きパンチ２が相対回転不能に固定される。Now, regarding the positioning of the punch 2 in the punch holder l, after attaching a plurality of punches 2 to each punch hole 6 of the punch holder 1, the four parts provided in the gap drawn by the head 13 of each punch 2 are 8, the irregularly shaped positioning key 8 is punched out and each notch of the head 13 of the punch 2 is fitted so as to engage with the part 16. In this way, the notch of the punch 2 is located between the portion 16 and the positioning key 3.
Due to the force fit, the punch 2 is fixed to the punch holding hole 5 of the punch holder 1 so as not to be relatively rotatable.
続いて、前記異形孔打ち抜き装置２５による薄板状銅製
素材４の異形の打ち抜き孔２０の加工方法について説明
する。Next, a method of punching irregularly shaped holes 20 in the thin copper material 4 using the irregularly shaped hole punching device 25 will be explained.
打ち抜き前の素材４は、第５図に示されるような上下型
間に移送され、中央突出部を利用して下型３１内に位置
決めされる。そして、上型２６の下降に伴い、素材４の
上端面４ａはストリッパー２８の下端面２８ａに規制さ
れる。この状態でパンチホルダーｌに突設保持された打
ち抜きノぜンチ２によるプレス剪断加工により、素材４
に異形の打ち抜き孔２０が成形される。The material 4 before punching is transferred between upper and lower molds as shown in FIG. 5, and positioned within the lower mold 31 using the central protrusion. As the upper die 26 descends, the upper end surface 4a of the material 4 is regulated by the lower end surface 28a of the stripper 28. In this state, the material 4 is press-sheared by the punching nozzle 2 protrudingly held on the punch holder l.
A punched hole 20 of an irregular shape is formed.
以上のように本発明によれば、各打ち抜きパンチの頭部
の切欠は部と位置決めキーが嵌合するため、パンチホル
ダーのパンチ保持孔に対し打ち抜きパンチを相対回転不
能に固定できるので、打ち抜きパンチ回転による打ち抜
き孔の位相ズレを防止できると共に、パンチホルダーの
パンチ保持部及びパンチ杆部は円柱形状で良いため、加
工が容易ふつ製造コストも低減できる。As described above, according to the present invention, since the notch in the head of each punch is fitted with the positioning key, the punch can be fixed relative to the punch holding hole of the punch holder without being able to rotate. It is possible to prevent a phase shift of the punched holes due to rotation, and since the punch holding part and punch rod part of the punch holder can be in a cylindrical shape, processing is easy and manufacturing costs can be reduced.
第１図乃至第６図は本発明の実施例を表すもので、第１
図は打ち抜きパンチの（１）平面図、 （ｉｆ）各同字
線における断面図、第２図は位置決めキーの斜視図、第
３図はパンチホルダーの平面図、第４図は第３図のＡ−
Ａ線断面平面図、第５図は異形孔打ち抜き装置の要部の
一部断面平面図、第６図は打ち抜き成形後の素材の一例
を示す正面図である。
第７図は従来の打ち抜きパンチの（１）平面図１ （Ｕ
）各同字線における断面図、第８図は従来のパンチホル
ダーの正面図、第９図は第８図のＢ−Ｂ線断面図、第１
０図は位相ズレした打ち抜き孔の説明図である。
（記号の説明）
１・・・・・・パンチホルダー。 ２・・・・・・
打ち抜キハンチ。
３・・・・・・位置決めキー。 ４・・・・・・・
薄板状金属素材。
６・・・・・・パンチ保持孔。 ８・・・・−・凹
部。
９・・・・・・パンチホルダー上端面。１１・・・・・
・先端パンチ部。
１２・・・・・・杆 部。 １３・・−・・
頭 部。
ｔａａ・・・・・・側 周 而。 １３ｂ・・・・・
・上 端 面。
１６・・・・・・切 欠 け部。 ２０・・・・・・異
形打抜き孔。
２５・・・・・・異形孔打ち抜き装置。
２６・・・・・・上 型。 ３１・・−・・
下 型。1 to 6 represent embodiments of the present invention.
The figures are (1) a plan view of the punch, (if) a sectional view taken along the same lines, Fig. 2 is a perspective view of the positioning key, Fig. 3 is a plan view of the punch holder, and Fig. 4 is the same as Fig. 3. A-
FIG. 5 is a partially sectional plan view of a main part of the irregular hole punching device, and FIG. 6 is a front view showing an example of the material after punching. Figure 7 shows (1) top view 1 (U
) A sectional view taken along each line, FIG. 8 is a front view of a conventional punch holder, FIG. 9 is a sectional view taken along line B-B in FIG.
Figure 0 is an explanatory diagram of punched holes with a phase shift. (Explanation of symbols) 1...Punch holder. 2...
Punched haunch. 3...Positioning key. ４・・・・・・・・・
Thin metal material. 6...Punch holding hole. 8・・・・・・Concave part. 9... Upper end surface of punch holder. 11...
・Tip punch part. 12... Rod part. 13・・・・・
Head. taa... side Zhou. 13b...
・Top end surface. 16...Notch part. 20... Irregularly shaped punched hole. 25... Irregular hole punching device. 26... Upper mold. 31・・・・・
Lower type.
Claims (1)
きパンチ２を一体的に突設させた上型２６と、前記上型
２６に対向する下型３１の間に載置された薄板状鋼製素
材４に、複数の異形孔２０を打ち抜き成形する異形孔打
ち抜き装置において、前記打ち抜きパンチ２の頭部１３
の側周面１３ａの一部に上端面１３ｂから軸線方向に延
長ｌを持つ切欠け部１６を設けた打ち抜きパンチ２を前
記パンチホルダー１の各パンチ保持孔６に装着し、前記
打ち抜きパンチ２頭部１３の各切欠け部１６と係合する
異形の位置決めキー３を、前記パンチホルダー１の上端
面９に設けた凹部８に装着し前記位置決めキー３を前記
切欠け部１６と係合させて嵌着させることを特徴とする
異形孔打ち抜き装置。A thin steel material 4 placed between an upper mold 26 held by a punch holder 1 and integrally protruding from a plurality of punches 2 for punching irregular holes, and a lower mold 31 facing the upper mold 26. In the irregularly shaped hole punching device for punching and forming a plurality of irregularly shaped holes 20, the head 13 of the punch 2 is
A punch 2 having a notch 16 extending axially from the upper end surface 13b on a part of the side circumferential surface 13a is attached to each punch holding hole 6 of the punch holder 1, and the two punches A positioning key 3 of an irregular shape that engages with each notch 16 of the section 13 is attached to a recess 8 provided in the upper end surface 9 of the punch holder 1, and the positioning key 3 is engaged with the notch 16. A device for punching irregularly shaped holes, which is characterized by being fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29415588A JPH02142626A (en) | 1988-11-21 | 1988-11-21 | Device for punching deformed hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29415588A JPH02142626A (en) | 1988-11-21 | 1988-11-21 | Device for punching deformed hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02142626A true JPH02142626A (en) | 1990-05-31 |
Family
ID=17804025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29415588A Pending JPH02142626A (en) | 1988-11-21 | 1988-11-21 | Device for punching deformed hole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02142626A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005103605A (en) * | 2003-09-30 | 2005-04-21 | Punch Industry Co Ltd | Punch for press die |
| JP2009148776A (en) * | 2007-12-19 | 2009-07-09 | Fuji Heavy Ind Ltd | Cleaning device |
| EP2196270A1 (en) * | 2008-12-10 | 2010-06-16 | Trumpf Werkzeugmaschinen GmbH + Co. KG | Tooling system with interchangeable tooling inserts for punching machines |
| US20150020663A1 (en) * | 2013-07-16 | 2015-01-22 | Mate Precision Tooling, Inc. | Multipunch With Axial Retainer For Securing Multiple Dies or Strippers |
-
1988
- 1988-11-21 JP JP29415588A patent/JPH02142626A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005103605A (en) * | 2003-09-30 | 2005-04-21 | Punch Industry Co Ltd | Punch for press die |
| JP2009148776A (en) * | 2007-12-19 | 2009-07-09 | Fuji Heavy Ind Ltd | Cleaning device |
| EP2196270A1 (en) * | 2008-12-10 | 2010-06-16 | Trumpf Werkzeugmaschinen GmbH + Co. KG | Tooling system with interchangeable tooling inserts for punching machines |
| US8567228B2 (en) | 2008-12-10 | 2013-10-29 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Tool system with interchangeable tool inserts for punching machines |
| EP2764933A1 (en) * | 2008-12-10 | 2014-08-13 | TRUMPF Werkzeugmaschinen GmbH + Co. KG | Tool system with exchangeable tool inserts for punching machines |
| US9908254B2 (en) | 2008-12-10 | 2018-03-06 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Tool system with interchangeable tool inserts for punching machines |
| US20150020663A1 (en) * | 2013-07-16 | 2015-01-22 | Mate Precision Tooling, Inc. | Multipunch With Axial Retainer For Securing Multiple Dies or Strippers |
| US9233407B2 (en) * | 2013-07-16 | 2016-01-12 | Mate Precision Tooling, Inc. | Multipunch with axial retainer for securing multiple dies or strippers |
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